Results 51 to 60 of about 27,122 (203)

Suppression effect of CaCo3, NaCl, and NH4H2PO4 on gas-fat coal dust explosion pressure and flame characteristics

Thermal Science, 2023
Coal dust explosion is a major accident affecting the safety of coal mine production. In order to control coal dust explosion, using inert dust to suppress explosion is one of the effective methods. Taking the gas-fat coal as the research object and CaCO3, NaCl, and NH4H2PO4 as the inert dust, the suppression effect of inert dust on gas-fat coal dust ...
Tian-Qi Liu, Xuan Zhao, Wei-Ye Tian, Rui-Heng Jia, Ning Wang, Zhi-Xin Cai   +5 more
openaire   +1 more source

Coal mine safety production management countermeasures of Jinglaoyuan Coal Mine of Tiemei Group

Meikuang Anquan, 2021
Aiming at the dangerous and harmful factors existing in the production process of Jinglaoyuan Coal Mine of Tiemei Group, this paper makes a comprehensive analysis through field investigation, combines with the geological conditions, development layout ...
CHEN Lijie, SUN Jiahe, ZHAO Qian
doaj   +1 more source

Full scale test for explosion water barriers in small cross-section galleries [PDF]

, 2011
Underground coal mines explosions generally arise from the inflammation of a methane/air mixture. This explosion can also generate a subsequent coal dust explosion. Traditionally such explosions have being fought eliminating one or several of the factors
Fernandez Ramon, Carlos, Garcia Torrent, Javier, Lebecki, Kazimierz, Medic Pejic, Ljiljana, Querol Aragon, Enrique   +4 more
core   +1 more source

A new shock tube configuration for studying dust-lifting during the initiation of a coal dust explosion [PDF]

, 2014
The traditional defence against propagating coal dust explosions is the application of dry stone dust. This proven and effective safety measure is strictly regulated based on extensive international experience.
Abbasi, Anderson, Cain, Cashdollar, Cybulski, Dastidar, David E. Gildfind, Gerard, Harris, Humphreys, Humphreys, Jacobs, Klemens, Liebman, Man, Marks, Mining Mirror, NIOSH, NSW DPI, Oberholzer, Oberholzer, OMSHR, Richard G. Morgan, Sapko, Sichel, Singer, Stephan, Suzuki, Woskoboenko, Wu   +29 more
core   +1 more source

Characterization of explosion propagation of coal dust deposited by gas explosion convolutions in closed pipelines

Meitan xuebao
To explore the propagation characteristics of gas explosion-induced coal dust detonations in enclosed pipelines, a custom-developed experimental system was employed for gas explosions involving accumulated coal dust.
Bingyou JIANG, Han HONG, Mingqing SU, Kunlun LU, Binghui YANG, Peilong WANG, Dawei DING   +6 more
doaj   +1 more source

Combustion of Pulverized Biomass Crop Residues and Their Explosion Characteristics [PDF]

, 2016
Two Pakistani crop residues bagasse (B) and wheat straw (WS), both with high ash content, were milled to
Andrews, GE, Gibbs, BM, Phylaktou, HN, Saeed, MA, Slatter, D   +4 more
core   +1 more source

Technobiological Pathways for High‐CO₂ Capture Using Micro‐/Macroalgae: Genetic Engineering, Process Automation, and Value‐Added Bioproducts

Asia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT Greenhouse gas (GHG) emissions have emerged as one of the most critical drivers of climate change; this is primarily due to high concentrations and long atmospheric life of carbon dioxide (CO2). For a significant amount of time, various biological processes such as microalgal cultivation, cyanobacterial systems, photosynthetic microorganisms ...
Sadhana Semwal, Harish Chandra Joshi
wiley   +1 more source

The influence of the shape and size of dust fractions on their distribution and accumulation in mine workings when changing the structure of air flow

Записки Горного института, 2022
The results of the analysis of statistical data on accidents at Russian mines caused by explosions in the workings space have shown that explosions of methane-dust-air mixtures at underground coal mines are the most severe accidents in terms of ...
Valery V. Smirnyakov, Vladimir A. Rodionov, Victoria V. Smirnyakova, Fedor A. Orlov   +3 more
doaj   +1 more source

Dynamic cracking properties and generating conditions of coal under rapid gas release

Deep Underground Science and Engineering, EarlyView.
Gas release tests revealed that crack initiation and propagation are jointly controlled by initial crack length, residual strength, and gas release velocity. A new outburst risk coefficient was thus developed from a fracture mechanics perspective, offering a novel predictive approach.
Bing Zhang, Hanpeng Wang, Liang Yuan, Guofeng Yu, Wei Wang, Benliang Chen, Bo Ren   +6 more
wiley   +1 more source

Explosion Characteristics and Flame Propagation Behavior of Mixed Dust Cloud of Coal Dust and Oil Shale Dust

Energies, 2019
Coal and oil shale are often mined and utilized together, and mixed dust is easily formed in these processes. In order to ensure safe production in these processes, the explosion characteristics of mixed dust were studied. Using a Godbert-Greenwold (G-G)
Junfeng Wang, Yansong Zhang, Huifeng Su, Jinshe Chen, Bo Liu, Yuyuan Zhang   +5 more
doaj   +1 more source